1.1 × 1.1 + 1.3 × 1.3 + 1.5 × 1.5 =?

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A5.15

B5.25

C5.95

D5.85

Answer:

1.1 × 1.1 + 1.3 × 1.3 + 1.5 × 1.5 = 1.21 + 1.69 + 2.25 = 5.15

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What is the value of $0.8\times{0.8}\times{0.8}+0.7\times{0.7}\times{0.7}+2.52 ?$

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